Write the following numbers in scientific notation.

1.    .0035 = ____________________________
 

2.    .00000453 = ____________________________
 

3.    .00403 = ____________________________
 

4.    .000000000000004 = ____________________________
 

5.    .23 = ____________________________
 

6.    One-thousandth = ____________________________
 

7.    One ten-thousandth = ____________________________
 

8.    Three millionths = ____________________________
 

9.    .203 = ___________________________________
 

10.    Four tenths = ____________________________________
 

11.    .000009809 = _________________________________________
 

12.    Twelve billionths = ____________________________________
 

13.    .0002 = ____________________________________________
 

14.    .001001001 = _________________________________________